@article{Caselli2006,
author = {Caselli, G. and Pozzi, L. and Vaupel, J.W. and Deiana, L. and Pes, G. and Carru, C. and Franceschi, C. and Baggio, G.},
title= {Family clustering in Sardinian longevity: A genealogical approach},
year = {2006},
doi = {10.1016/j.exger.2006.05.009},
volume = {41},
number = {8},
pages = {727--736},
}